/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz and Don Ahn. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: @(#)pccons.c 5.11 (Berkeley) 5/21/91 * from: @(#)syscons.c 1.0 930928 * $Id: syscons.c,v 1.14 1993/10/18 02:19:54 jkh Exp $ * * Heavily modified by Søren Schmidt (sos@login.dkuug.dk) to provide: * * virtual consoles, SYSV ioctl's, ANSI emulation */ #define STAR_SAVER /* #define FAT_CURSOR /* This breaks on some CGA displays */ #include "param.h" #include "conf.h" #include "ioctl.h" #include "proc.h" #include "user.h" #include "tty.h" #include "uio.h" #include "callout.h" #include "systm.h" #include "kernel.h" #include "syslog.h" #include "errno.h" #include "machine/console.h" #include "malloc.h" #include "i386/isa/icu.h" #include "i386/isa/isa.h" #include "i386/isa/isa_device.h" #include "machine/pc/display.h" #include "i386/i386/cons.h" #include "machine/psl.h" #include "machine/frame.h" #include "sc.h" #include "ddb.h" #include "iso8859.font" #include "kbdtables.h" #if NSC > 0 #ifndef NCONS #define NCONS 12 #endif /* status flags */ #define LOCK_KEY_MASK 0x0000F #define LED_MASK 0x00007 #define UNKNOWN_MODE 0x00010 #define KBD_RAW_MODE 0x00020 #define SWITCH_WAIT_REL 0x00040 #define SWITCH_WAIT_ACQ 0x00080 /* virtual video memory addresses */ #define MONO_BUF (KERNBASE + 0xB0000) #define CGA_BUF (KERNBASE + 0xB8000) #define VGA_BUF (KERNBASE + 0xA0000) #define VIDEOMEM 0x000A0000 #define MEMSIZE 0x00020000 /* misc defines */ #define MAX_ESC_PAR 3 #define TEXT80x25 1 #define TEXT80x50 2 #define COL 80 #define ROW 25 #ifndef XTALSPEED #define XTALSPEED 1193182 /* should be in isa.h */ #endif /* defines related to hardware addresses */ #define MONO_BASE 0x3B4 /* crt controller base mono */ #define COLOR_BASE 0x3D4 /* crt controller base color */ #define ATC IO_VGA+0x00 /* attribute controller */ #define TSIDX IO_VGA+0x04 /* timing sequencer idx */ #define TSREG IO_VGA+0x05 /* timing sequencer data */ #define PIXMASK IO_VGA+0x06 /* pixel write mask */ #define PALRADR IO_VGA+0x07 /* palette read address */ #define PALWADR IO_VGA+0x08 /* palette write address */ #define PALDATA IO_VGA+0x09 /* palette data register */ #define GDCIDX IO_VGA+0x0E /* graph data controller idx */ #define GDCREG IO_VGA+0x0F /* graph data controller data */ typedef struct term_stat { int esc; /* processing escape sequence */ int n_par; /* # of parameters to ESC */ int last_par; /* last parameter # */ int par[MAX_ESC_PAR]; /* contains ESC parameters */ int attr; /* current attributes */ int std_attr; /* normal attributes */ int rev_attr; /* reverse attributes */ } term_stat; typedef struct scr_stat { u_short *crt_base; /* address of screen memory */ u_short *scr; /* buffer when off screen */ u_short *crtat; /* cursor address */ int posx; /* current X position */ int posy; /* current Y position */ int max_posx; /* X size */ int max_posy; /* X size */ term_stat term; /* terminal emulation stuff */ char cursor_start; /* cursor start line # */ char cursor_end; /* cursor start end # */ u_char border; /* border color */ u_short bell_duration; u_short bell_pitch; u_short status; /* status (bitfield) */ u_short mode; /* mode */ pid_t pid; /* pid of controlling proc */ struct proc *proc; /* proc* of controlling proc */ struct vt_mode smode; /* switch mode */ } scr_stat; typedef struct default_attr { int std_attr; /* normal attributes */ int rev_attr; /* reverse attributes */ } default_attr; static default_attr user_default = { (FG_LIGHTGREY | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static default_attr kernel_default = { (FG_WHITE | BG_BLACK) << 8, (FG_BLACK | BG_LIGHTGREY) << 8 }; static default_attr *current_default; static scr_stat cons_scr_stat[NCONS]; static scr_stat *cur_scr_stat = &cons_scr_stat[0]; static scr_stat *new_scp, *old_scp; static term_stat kernel_console; static int switch_in_progress = 0; u_short *Crtat = (u_short *)MONO_BUF; static u_short *crtat = 0; static u_int crtc_addr = MONO_BASE; static char crtc_vga = 0; static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0; static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0; static char palette[3*256]; static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab); static int cur_cursor_pos = -1; static char in_putc, nx_scr; static char saved_console = -1; /* saved console number */ static long scrn_blank_time = 0; /* screen saver timout value */ static int scrn_blanked = 0; /* screen saver active flag */ static long scrn_time_stamp; static u_char scr_map[256]; struct tty pccons[NCONS]; struct tty *cur_pccons = &pccons[0]; struct tty *new_pccons; extern int hz; extern struct timeval time; #define CSF_ACTIVE 0x1 /* timeout active */ #define CSF_POLLING 0x2 /* polling for input */ struct pcconsoftc { char cs_flags; char cs_lastc; /* last char sent */ int cs_timo; /* timeouts since interrupt */ u_long cs_wedgecnt; /* times restarted */ } pcconsoftc = {0, 0, 0, 0}; /* special characters */ #define bs 8 #define lf 10 #define cr 13 #define cntlc 3 #define del 0177 #define cntld 4 /* function prototypes */ int pcprobe(struct isa_device *dev); int pcattach(struct isa_device *dev); int pcopen(dev_t dev, int flag, int mode, struct proc *p); int pcclose(dev_t dev, int flag, int mode, struct proc *p); int pcread(dev_t dev, struct uio *uio, int flag); int pcwrite(dev_t dev, struct uio *uio, int flag); int pcparam(struct tty *tp, struct termios *t); int pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); int pcxint(dev_t dev); int pcstart(struct tty *tp); int pccnprobe(struct consdev *cp); int pccninit(struct consdev *cp); int pccnputc(dev_t dev, char c); int pccngetc(dev_t dev); int scintr(dev_t dev, int irq, int cpl); void scrn_saver(int test); static struct tty *get_pccons(dev_t dev); static scr_stat *get_scr_stat(dev_t dev); static int get_scr_num(scr_stat *scp); static void cursor_shape(int start, int end); static void get_cursor_shape(int *start, int *end); static void cursor_pos(void); static void clear_screen(scr_stat *scp); static switch_scr(u_int next_scr); static void exchange_scr(void); static void move_crsr(scr_stat *scp, int x, int y); static void move_up(u_short *s, u_short *d, u_int len); static void move_down(u_short *s, u_short *d, u_int len); static void scan_esc(scr_stat *scp, u_char c); static void ansi_put(scr_stat *scp, u_char c); void consinit(void); static void sput(u_char c); static u_char *get_fstr(u_int c, u_int *len); static update_leds(int which); void reset_cpu(void); u_int sgetc(int noblock); int pcmmap(dev_t dev, int offset, int nprot); int getchar(void); static void kbd_wait(void); static void kbd_cmd(u_char command); static void set_mode(scr_stat *scp); static void set_border(int color); static load_font(int segment, int size, char* font); static void save_palette(void); static void load_palette(void); static change_winsize(struct tty *tp, int x, int y); struct isa_driver scdriver = { pcprobe, pcattach, "sc", }; int pcprobe(struct isa_device *dev) { u_char c; int again = 0; /* Enable interrupts and keyboard controller */ kbd_wait(); outb(KB_STAT, KB_WRITE); kbd_cmd(0x4D); /* Start keyboard stuff RESET */ kbd_cmd(KB_RESET); while ((c=inb(KB_DATA)) != KB_ACK) { if ((c == 0xFE) || (c == 0xFF)) { if (!again) printf("KEYBOARD disconnected: RECONNECT \n"); kbd_cmd(KB_RESET); again = 1; } } kbd_wait(); return (IO_KBDSIZE); } int pcattach(struct isa_device *dev) { scr_stat *scp; int start = -1, end = -1, i; if (crtc_vga) if (crtc_addr == MONO_BASE) printf("VGA mono"); else printf("VGA color"); else if (crtc_addr == MONO_BASE) printf("MDA/hercules"); else printf("CGA/EGA"); if (NCONS > 1) printf(" <%d virtual consoles>\n", NCONS); else printf("\n"); #ifdef FAT_CURSOR start = 0; end = 18; #endif if (crtc_vga) { #ifndef FAT_CURSOR get_cursor_shape(&start, &end); #endif save_palette(); load_font(0, 16, font_8x16); load_font(1, 8, font_8x8); load_font(2, 14, font_8x14); } current_default = &user_default; for (i = 0; i < NCONS; i++) { scp = &cons_scr_stat[i]; scp->scr = (u_short *)malloc(COL * ROW * 2, M_DEVBUF, M_NOWAIT); scp->mode = TEXT80x25; scp->term.esc = 0; scp->term.std_attr = current_default->std_attr; scp->term.rev_attr = current_default->rev_attr; scp->term.attr = scp->term.std_attr; scp->border = BG_BLACK; scp->cursor_start = start; scp->cursor_end = end; scp->max_posx = COL; scp->max_posy = ROW; scp->bell_pitch = 800; scp->bell_duration = 10; scp->status = 0; scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; if (i > 0) { scp->crt_base = scp->crtat = scp->scr; fillw(scp->term.attr|scr_map[0x20], scp->scr, COL*ROW); } } /* get cursor going */ #ifdef FAT_CURSOR cursor_shape(cons_scr_stat[0].cursor_start, cons_scr_stat[0].cursor_end); #endif cursor_pos(); } static struct tty *get_pccons(dev_t dev) { int i = minor(dev); if (i >= NCONS) return(NULL); return(&pccons[i]); } static scr_stat *get_scr_stat(dev_t dev) { int i = minor(dev); if (i >= NCONS) return(NULL); return(&cons_scr_stat[i]); } static int get_scr_num(scr_stat *scp) /* allways call with legal scp !! */ { int i = 0; while ((i < NCONS) && (cur_scr_stat != &cons_scr_stat[i])) i++; return i; } pcopen(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = get_pccons(dev); if (!tp) return(ENXIO); tp->t_oproc = pcstart; tp->t_param = pcparam; tp->t_dev = dev; if ((tp->t_state & TS_ISOPEN) == 0) { tp->t_state |= TS_WOPEN; ttychars(tp); tp->t_iflag = TTYDEF_IFLAG; tp->t_oflag = TTYDEF_OFLAG; tp->t_cflag = TTYDEF_CFLAG; tp->t_lflag = TTYDEF_LFLAG; tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; pcparam(tp, &tp->t_termios); ttsetwater(tp); } else if (tp->t_state&TS_XCLUDE && p->p_ucred->cr_uid != 0) return(EBUSY); tp->t_state |= TS_CARR_ON; return((*linesw[tp->t_line].l_open)(dev, tp)); } pcclose(dev_t dev, int flag, int mode, struct proc *p) { struct tty *tp = get_pccons(dev); struct scr_stat *scp; if (!tp) return(ENXIO); scp = get_scr_stat(tp->t_dev); scp->pid = 0; scp->proc = NULL; scp->smode.mode = VT_AUTO; (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); return(0); } pcread(dev_t dev, struct uio *uio, int flag) { struct tty *tp = get_pccons(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_read)(tp, uio, flag)); } pcwrite(dev_t dev, struct uio *uio, int flag) { struct tty *tp = get_pccons(dev); if (!tp) return(ENXIO); return((*linesw[tp->t_line].l_write)(tp, uio, flag)); } /* * Got a console interrupt, keyboard action ! * Catch the character, and see who it goes to. */ scintr(dev_t dev, int irq, int cpl) { int c, len; u_char *cp; /* make screensaver happy */ scrn_time_stamp = time.tv_sec; if (scrn_blanked) scrn_saver(0); c = sgetc(1); if (c & 0x100) return; if ((cur_pccons->t_state & TS_ISOPEN) == 0) return; if (pcconsoftc.cs_flags & CSF_POLLING) return; if (c < 0x100) (*linesw[cur_pccons->t_line].l_rint)(c & 0xFF, cur_pccons); else if (cp = get_fstr((u_int)c, (u_int *)&len)) { while (len-- > 0) (*linesw[cur_pccons->t_line].l_rint) (*cp++ & 0xFF, cur_pccons); } } /* * Set line parameters */ pcparam(struct tty *tp, struct termios *t) { int cflag = t->c_cflag; /* and copy to tty */ tp->t_ispeed = t->c_ispeed; tp->t_ospeed = t->c_ospeed; tp->t_cflag = cflag; return(0); } pcioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p) { int i, error; struct tty *tp; struct syscframe *fp; scr_stat *scp; tp = get_pccons(dev); if (!tp) return ENXIO; scp = get_scr_stat(tp->t_dev); switch (cmd) { /* process console hardware related ioctl's */ case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */ scrn_blank_time = *(int*)data; return 0; case CONS_80x25TEXT: /* set 80x25 text mode */ if (!crtc_vga) return ENXIO; scp->mode = TEXT80x25; scp->max_posy = 25; free(scp->scr, M_DEVBUF); scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, M_DEVBUF, M_NOWAIT); if (scp != cur_scr_stat) scp->crt_base = scp->scr; set_mode(scp); clear_screen(scp); change_winsize(tp, scp->max_posx, scp->max_posy); return 0; case CONS_80x50TEXT: /* set 80x50 text mode */ if (!crtc_vga) return ENXIO; scp->mode = TEXT80x50; scp->max_posy = 50; free(scp->scr, M_DEVBUF); scp->scr = (u_short *)malloc(scp->max_posx*scp->max_posy*2, M_DEVBUF, M_NOWAIT); if (scp != cur_scr_stat) scp->crt_base = scp->scr; set_mode(scp); clear_screen(scp); change_winsize(tp, scp->max_posx, scp->max_posy); return 0; case CONS_GETVERS: /* get version number */ *(int*)data = 0x100; /* version 1.0 */ return 0; case CONS_GETINFO: /* get current (virtual) console info */ if (*data == sizeof(struct vid_info)) { vid_info_t *ptr = (vid_info_t*)data; ptr->m_num = get_scr_num(scp); ptr->mv_col = scp->posx; ptr->mv_row = scp->posy; ptr->mv_csz = scp->max_posx; ptr->mv_rsz = scp->max_posy; ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8; ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12; ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8; ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12; ptr->mv_grfc.fore = 0; /* not supported */ ptr->mv_grfc.back = 0; /* not supported */ ptr->mv_ovscan = scp->border; ptr->mk_keylock = scp->status & LOCK_KEY_MASK; return 0; } return EINVAL; case VT_SETMODE: /* set screen switcher mode */ bcopy(data, &scp->smode, sizeof(struct vt_mode)); if (scp->smode.mode == VT_PROCESS) { scp->proc = p; scp->pid = scp->proc->p_pid; } return 0; case VT_GETMODE: /* get screen switcher mode */ bcopy(&scp->smode, data, sizeof(struct vt_mode)); return 0; case VT_RELDISP: /* screen switcher ioctl */ switch(*data) { case VT_FALSE: /* user refuses to release screen, abort */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { old_scp->status &= ~SWITCH_WAIT_REL; switch_in_progress = 0; return 0; } return EINVAL; case VT_TRUE: /* user has released screen, go on */ if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) { scp->status &= ~SWITCH_WAIT_REL; exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = 0; return 0; } return EINVAL; case VT_ACKACQ: /* acquire acknowledged, switch completed */ if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) { scp->status &= ~SWITCH_WAIT_ACQ; switch_in_progress = 0; return 0; } return EINVAL; default: return EINVAL; } /* NOT REACHED */ case VT_OPENQRY: /* return free virtual console */ for (i = 0; i < NCONS; i++) if (!(pccons[i].t_state & TS_ISOPEN)) { *data = i + 1; return 0; } return EINVAL; /* NOT REACHED */ case VT_GETACTIVE: /* return number of active virtual console */ *data = get_scr_num(scp) + 1; return 0; case VT_ACTIVATE: /* switch to screen *data */ return switch_scr((*data) - 1); case VT_WAITACTIVE: /* wait for switch to occur */ if (*data > NCONS) return EINVAL; if (minor(dev) == (*data) - 1) return 0; if (*data == 0) { if (scp == cur_scr_stat) return 0; while ((error=tsleep(&scp->smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; } else while ((error=tsleep(&cons_scr_stat[*data].smode, PZERO|PCATCH, "waitvt", 0)) == ERESTART) ; return error; case KDENABIO: /* allow io operations */ fp = (struct syscframe *)p->p_regs; fp->sf_eflags |= PSL_IOPL; return 0; case KDDISABIO: /* disallow io operations (default) */ fp = (struct syscframe *)p->p_regs; fp->sf_eflags &= ~PSL_IOPL; return 0; case KDSETMODE: /* set current mode of this (virtual) console */ switch (*data) { case KD_TEXT: /* switch to TEXT (known) mode */ /* restore fonts & palette ! */ if (crtc_vga) { load_font(0, 16, font_8x16); load_font(1, 8, font_8x8); load_font(2, 14, font_8x14); load_palette(); } /* FALL THROUGH */ case KD_TEXT1: /* switch to TEXT (known) mode */ /* no restore fonts & palette */ scp->status &= ~UNKNOWN_MODE; set_mode(scp); clear_screen(scp); return 0; case KD_GRAPHICS:/* switch to GRAPHICS (unknown) mode */ scp->status |= UNKNOWN_MODE; return 0; default: return EINVAL; } /* NOT REACHED */ case KDGETMODE: /* get current mode of this (virtual) console */ *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT; return 0; case KDSBORDER: /* set border color of this (virtual) console */ if (!crtc_vga) return ENXIO; scp->border = *data; if (scp == cur_scr_stat) set_border(scp->border); return 0; case KDSKBSTATE: /* set keyboard state (locks) */ if (*data >= 0 && *data <= LOCK_KEY_MASK) { scp->status &= ~LOCK_KEY_MASK; scp->status |= *data; if (scp == cur_scr_stat) update_leds(scp->status & LED_MASK); return 0; } return EINVAL; case KDGKBSTATE: /* get keyboard state (locks) */ *data = scp->status & LOCK_KEY_MASK; return 0; case KDSETRAD: /* set keyboard repeat & delay rates */ if (*(u_char*)data < 0x80) { kbd_cmd(KB_SETRAD); kbd_cmd(*data & 0x7f); return 0; } return EINVAL; case KDSKBMODE: /* set keyboard mode */ switch (*data) { case K_RAW: /* switch to RAW scancode mode */ scp->status |= KBD_RAW_MODE; return 0; case K_XLATE: /* switch to XLT ascii mode */ scp->status &= ~KBD_RAW_MODE; return 0; default: return EINVAL; } /* NOT REACHED */ case KDGKBMODE: /* get keyboard mode */ *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE; return 0; case KDMKTONE: /* sound the bell */ if (scp == cur_scr_stat) sysbeep(scp->bell_pitch, scp->bell_duration); return 0; case KIOCSOUND: /* make tone (*data) hz */ if (scp == cur_scr_stat) { if (*(int*)data) { int pitch = XTALSPEED/(*(int*)data); /* enable counter 2 */ outb(0x61, inb(0x61) | 3); /* set command for counter 2, 2 byte write */ outb(0x43, 0xb6); /* set pitch */ outb(0x42, pitch); outb(0x42, (pitch>>8)); } else { /* disable counter 2 */ outb(0x61, inb(0x61) & 0xFC); } } return 0; case KDGKBTYPE: /* get keyboard type */ *data = 0; /* type not known (yet) */ return 0; case KDSETLED: /* set keyboard LED status */ if (*data >= 0 && *data <= LED_MASK) { scp->status &= ~LED_MASK; scp->status |= *data; if (scp == cur_scr_stat) update_leds(scp->status & LED_MASK); return 0; } return EINVAL; case KDGETLED: /* get keyboard LED status */ *data = scp->status & LED_MASK; return 0; case GETFKEY: /* get functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef, fkey_tab[ptr->keynum].len); ptr->flen = fkey_tab[ptr->keynum].len; return 0; } else return EINVAL; case SETFKEY: /* set functionkey string */ if (*(u_short*)data < n_fkey_tab) { fkeyarg_t *ptr = (fkeyarg_t*)data; bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str, min(ptr->flen, MAXFK)); fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK); return 0; } else return EINVAL; case GIO_SCRNMAP: /* get output translation table */ bcopy(&scr_map, data, sizeof(scr_map)); return 0; case PIO_SCRNMAP: /* set output translation table */ bcopy(data, &scr_map, sizeof(scr_map)); return 0; case GIO_KEYMAP: /* get keyboard translation table */ bcopy(&key_map, data, sizeof(key_map)); return 0; case PIO_KEYMAP: /* set keyboard translation table */ bcopy(data, &key_map, sizeof(key_map)); return 0; case PIO_FONT8x8: /* set 8x8 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, &font_8x8, sizeof(font_8x8)); load_font(1, 8, font_8x8); return 0; case GIO_FONT8x8: /* get 8x8 dot font */ if (!crtc_vga) return ENXIO; bcopy(&font_8x8, data, sizeof(font_8x8)); return 0; case PIO_FONT8x14: /* set 8x14 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, &font_8x14, sizeof(font_8x14)); load_font(2, 14, font_8x14); return 0; case GIO_FONT8x14: /* get 8x14 dot font */ if (!crtc_vga) return ENXIO; bcopy(&font_8x14, data, sizeof(font_8x14)); return 0; case PIO_FONT8x16: /* set 8x16 dot font */ if (!crtc_vga) return ENXIO; bcopy(data, &font_8x16, sizeof(font_8x16)); load_font(0, 16, font_8x16); return 0; case GIO_FONT8x16: /* get 8x16 dot font */ if (!crtc_vga) return ENXIO; bcopy(&font_8x16, data, sizeof(font_8x16)); return 0; case CONSOLE_X_MODE_ON: /* just to be compatible */ if (saved_console < 0) { saved_console = get_scr_num(cur_scr_stat); switch_scr(minor(dev)); fp = (struct syscframe *)p->p_regs; fp->sf_eflags |= PSL_IOPL; scp->status |= UNKNOWN_MODE; scp->status |= KBD_RAW_MODE; return 0; } return EAGAIN; case CONSOLE_X_MODE_OFF:/* just to be compatible */ fp = (struct syscframe *)p->p_regs; fp->sf_eflags &= ~PSL_IOPL; if (crtc_vga) { load_font(0, 16, font_8x16); load_font(1, 8, font_8x8); load_font(2, 14, font_8x14); load_palette(); } scp->status &= ~UNKNOWN_MODE; set_mode(scp); clear_screen(scp); scp->status &= ~KBD_RAW_MODE; switch_scr(saved_console); saved_console = -1; return 0; case CONSOLE_X_BELL: /* more compatibility */ /* * if set, data is a pointer to a length 2 array of * integers. data[0] is the pitch in Hz and data[1] * is the duration in msec. */ if (data) sysbeep(XTALSPEED/((int*)data)[0], ((int*)data)[1]*hz/3000); else sysbeep(0x31b, hz/4); return 0; default: break; } error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); if (error >= 0) return(error); error = ttioctl(tp, cmd, data, flag); if (error >= 0) return(error); return(ENOTTY); } pcxint(dev_t dev) { pccons[minor(dev)].t_state &= ~TS_BUSY; pcconsoftc.cs_timo = 0; if (pccons[minor(dev)].t_line) (*linesw[pccons[minor(dev)].t_line].l_start) (&pccons[minor(dev)]); else pcstart(&pccons[minor(dev)]); } pcstart(struct tty *tp) { int c, s; scr_stat *scp = get_scr_stat(tp->t_dev); s = spltty(); if (!(tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))) for (;;) { if (RB_LEN(&tp->t_out) <= tp->t_lowat) { if (tp->t_state & TS_ASLEEP) { tp->t_state &= ~TS_ASLEEP; wakeup((caddr_t)&tp->t_out); } if (tp->t_wsel) { selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL); tp->t_wsel = 0; tp->t_state &= ~TS_WCOLL; } } if (RB_LEN(&tp->t_out) == 0) break; if (scp->status & SLKED) break; c = getc(&tp->t_out); tp->t_state |= TS_BUSY; splx(s); ansi_put(scp, c); s = spltty(); tp->t_state &= ~TS_BUSY; } splx(s); } pccnprobe(struct consdev *cp) { int maj; /* locate the major number */ for (maj = 0; maj < nchrdev; maj++) if (cdevsw[maj].d_open == pcopen) break; /* initialize required fields */ cp->cn_dev = makedev(maj, 0); cp->cn_tp = &pccons[0]; cp->cn_pri = CN_INTERNAL; } pccninit(struct consdev *cp) { } pccnputc(dev_t dev, char c) { int pos; if (cur_scr_stat->status & UNKNOWN_MODE) return; if (c == '\n') sput('\r'); sput(c); pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; if (pos != cur_cursor_pos) { cur_cursor_pos = pos; outb(crtc_addr,14); outb(crtc_addr+1,pos >> 8); outb(crtc_addr,15); outb(crtc_addr+1,pos&0xff); } } pccngetc(dev_t dev) { int c, s; s = spltty(); /* block scintr while we poll */ c = sgetc(0); splx(s); if (c == '\r') c = '\n'; return(c); } #if !defined(STAR_SAVER) && !defined(SNAKE_SAVER) void scrn_saver(int test) { u_char val; if (test) { scrn_blanked = 1; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val | 0x20); } else { scrn_blanked = 0; outb(TSIDX, 0x01); val = inb(TSREG); outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); } } #endif #if defined(STAR_SAVER) || defined(SNAKE_SAVER) static u_long rand_next = 1; static rand() { return ((rand_next = rand_next * 1103515245 + 12345) & 0x7FFFFFFF); } #endif #ifdef STAR_SAVER /* * Alternate saver that got its inspiration from a well known utility * package for an unfamous OS. */ #define NUM_STARS 50 void scrn_saver(int test) { scr_stat *scp = cur_scr_stat; int cell, i; char pattern[] = {"...........++++*** "}; char colors[] = {FG_DARKGREY, FG_LIGHTGREY, FG_WHITE, FG_LIGHTCYAN}; static u_short stars[NUM_STARS][2]; if (test) { if (!scrn_blanked) { bcopy(Crtat, scp->scr, scp->max_posx * scp->max_posy * 2); fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, scp->max_posx * scp->max_posy); set_border(0); i = scp->max_posy * scp->max_posx + 5; outb(crtc_addr, 14); outb(crtc_addr+1, i >> 8); outb(crtc_addr, 15); outb(crtc_addr+1, i & 0xff); scrn_blanked = 1; for(i=0; imax_posx*scp->max_posy); stars[i][1] = 0; } } cell = rand() % NUM_STARS; *((u_short*)(Crtat + stars[cell][0])) = scr_map[pattern[stars[cell][1]]] | colors[rand()%sizeof(colors)] << 8; if ((stars[cell][1]+=(rand()%4)) >= sizeof(pattern)-1) { stars[cell][0] = rand() % (scp->max_posx*scp->max_posy); stars[cell][1] = 0; } } else { if (scrn_blanked) { bcopy(scp->scr, Crtat, scp->max_posx*scp->max_posy*2); cur_cursor_pos = -1; set_border(scp->border); scrn_blanked = 0; } } } #endif #ifdef SNAKE_SAVER /* * alternative screen saver for cards that do not like blanking */ void scrn_saver(int test) { const char saves[] = {"FreeBSD"}; static u_char *savs[sizeof(saves)-1]; static int dirx, diry; int f; scr_stat *scp = cur_scr_stat; if (test) { if (!scrn_blanked) { bcopy(Crtat, scp->scr, scp->max_posx * scp->max_posy * 2); fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20], Crtat, scp->max_posx * scp->max_posy); set_border(0); dirx = (scp->posx ? 1 : -1); diry = (scp->posy ? scp->max_posx : -scp->max_posx); for (f=0; f< sizeof(saves)-1; f++) savs[f] = (u_char *)Crtat + 2 * (scp->posx+scp->posy*scp->max_posx); *(savs[0]) = scr_map[*saves]; f = scp->max_posy * scp->max_posx + 5; outb(crtc_addr, 14); outb(crtc_addr+1, f >> 8); outb(crtc_addr, 15); outb(crtc_addr+1, f & 0xff); scrn_blanked = 1; } if (scrn_blanked++ < 4) return; scrn_blanked = 1; *(savs[sizeof(saves)-2]) = scr_map[0x20]; for (f=sizeof(saves)-2; f > 0; f--) savs[f] = savs[f-1]; f = (savs[0] - (u_char *)Crtat) / 2; if ((f % scp->max_posx) == 0 || (f % scp->max_posx) == scp->max_posx - 1 || (rand() % 50) == 0) dirx = -dirx; if ((f / scp->max_posx) == 0 || (f / scp->max_posx) == scp->max_posy - 1 || (rand() % 20) == 0) diry = -diry; savs[0] += 2*dirx + 2*diry; for (f=sizeof(saves)-2; f>=0; f--) *(savs[f]) = scr_map[saves[f]]; } else { if (scrn_blanked) { bcopy(scp->scr, Crtat, scp->max_posx * scp->max_posy * 2); cur_cursor_pos = -1; set_border(scp->border); scrn_blanked = 0; } } } #endif static void cursor_shape(int start, int end) { outb(crtc_addr, 10); outb(crtc_addr+1, start & 0xFF); outb(crtc_addr, 11); outb(crtc_addr+1, end & 0xFF); } static void get_cursor_shape(int *start, int *end) { outb(crtc_addr, 10); *start = inb(crtc_addr+1) & 0x1F; outb(crtc_addr, 11); *end = inb(crtc_addr+1) & 0x1F; } static void cursor_pos(void) { int pos; if (cur_scr_stat->status & UNKNOWN_MODE) return; if (scrn_blank_time && (time.tv_sec > scrn_time_stamp+scrn_blank_time)) scrn_saver(1); pos = cur_scr_stat->crtat - cur_scr_stat->crt_base; if (!scrn_blanked && pos != cur_cursor_pos) { cur_cursor_pos = pos; outb(crtc_addr, 14); outb(crtc_addr+1, pos>>8); outb(crtc_addr, 15); outb(crtc_addr+1, pos&0xff); } timeout(cursor_pos, 0, hz/20); } static void clear_screen(scr_stat *scp) { move_crsr(scp, 0, 0); fillw(scp->term.attr | scr_map[0x20], scp->crt_base, scp->max_posx * scp->max_posy); } static switch_scr(u_int next_scr) { if (in_putc) { /* don't switch if in putc */ nx_scr = next_scr+1; return 0; } if (switch_in_progress && (cur_scr_stat->proc != pfind(cur_scr_stat->pid))) switch_in_progress = 0; if (next_scr >= NCONS || switch_in_progress) { sysbeep(800, hz/4); return -1; } switch_in_progress = 1; old_scp = cur_scr_stat; new_scp = &cons_scr_stat[next_scr]; wakeup(&new_scp->smode); if (new_scp == old_scp) { switch_in_progress = 0; return 0; } new_pccons = &pccons[next_scr]; /* has controlling process died? */ if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid))) old_scp->smode.mode = VT_AUTO; if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid))) new_scp->smode.mode = VT_AUTO; /* check the modes and switch approbiatly */ if (old_scp->smode.mode == VT_PROCESS) { old_scp->status |= SWITCH_WAIT_REL; psignal(old_scp->proc, old_scp->smode.relsig); } else { exchange_scr(); if (new_scp->smode.mode == VT_PROCESS) { new_scp->status |= SWITCH_WAIT_ACQ; psignal(new_scp->proc, new_scp->smode.acqsig); } else switch_in_progress = 0; } return 0; } static void exchange_scr(void) { bcopy(Crtat, old_scp->scr, old_scp->max_posx * old_scp->max_posy * 2); old_scp->crt_base = old_scp->scr; move_crsr(old_scp, old_scp->posx, old_scp->posy); cur_scr_stat = new_scp; cur_pccons = new_pccons; if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE) shfts = ctls = alts = 0; update_leds(new_scp->status & LED_MASK); set_mode(new_scp); new_scp->crt_base = Crtat; move_crsr(new_scp, new_scp->posx, new_scp->posy); bcopy(new_scp->scr, Crtat, new_scp->max_posx * new_scp->max_posy * 2); nx_scr = 0; } static void move_crsr(scr_stat *scp, int x, int y) { if (x < 0 || y < 0 || x >= scp->max_posx || y >= scp->max_posy) return; scp->posx = x; scp->posy = y; scp->crtat = scp->crt_base + scp->posy * scp->max_posx + scp->posx; } static void move_up(u_short *s, u_short *d, u_int len) { s += len; d += len; while (len-- > 0) *--d = *--s; } static void move_down(u_short *s, u_short *d, u_int len) { while (len-- > 0) *d++ = *s++; } static void scan_esc(scr_stat *scp, u_char c) { static u_char ansi_col[16] = {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15}; int i, n; u_short *src, *dst, count; if (scp->term.esc == 1) { switch (c) { case '[': /* Start ESC [ sequence */ scp->term.esc = 2; scp->term.last_par = -1; for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) scp->term.par[i] = 1; scp->term.n_par = 0; return; case 'M': /* Move cursor up 1 line, scroll if at top */ if (scp->posy > 0) move_crsr(scp, scp->posx, scp->posy - 1); else { move_up(scp->crt_base, scp->crt_base + scp->max_posx, (scp->max_posy - 1) * scp->max_posx); fillw(scp->term.attr | scr_map[0x20], scp->crt_base, scp->max_posx); } break; #if notyet case 'Q': scp->term.esc = 4; break; #endif case 'c': /* Clear screen & home */ clear_screen(scp); break; } } else if (scp->term.esc == 2) { if (c >= '0' && c <= '9') { if (scp->term.n_par < MAX_ESC_PAR) { if (scp->term.last_par != scp->term.n_par) { scp->term.last_par = scp->term.n_par; scp->term.par[scp->term.n_par] = 0; } else scp->term.par[scp->term.n_par] *= 10; scp->term.par[scp->term.n_par] += c - '0'; return; } } scp->term.n_par = scp->term.last_par + 1; switch (c) { case ';': if (scp->term.n_par < MAX_ESC_PAR) return; break; case '=': scp->term.esc = 3; scp->term.last_par = -1; for (i = scp->term.n_par; i < MAX_ESC_PAR; i++) scp->term.par[i] = 1; scp->term.n_par = 0; return; case 'A': /* up n rows */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx, scp->posy - n); break; case 'B': /* down n rows */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx, scp->posy + n); break; case 'C': /* right n columns */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx + n, scp->posy); break; case 'D': /* left n columns */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx - n, scp->posy); break; case 'E': /* cursor to start of line n lines down */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->posy + n); break; case 'F': /* cursor to start of line n lines up */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, 0, scp->posy - n); break; case 'f': /* System V consoles .. */ case 'H': /* Cursor move */ if (scp->term.n_par == 0) move_crsr(scp, 0, 0); else if (scp->term.n_par == 2) move_crsr(scp, scp->term.par[1] - 1, scp->term.par[0] - 1); break; case 'J': /* Clear all or part of display */ if (scp->term.n_par == 0) n = 0; else n = scp->term.par[0]; switch (n) { case 0: /* clear form cursor to end of display */ fillw(scp->term.attr | scr_map[0x20], scp->crtat, scp->crt_base + scp->max_posx * scp->max_posy - scp->crtat); break; case 1: /* clear from beginning of display to cursor */ fillw(scp->term.attr | scr_map[0x20], scp->crt_base, scp->crtat - scp->crt_base); break; case 2: /* clear entire display */ clear_screen(scp); break; } break; case 'K': /* Clear all or part of line */ if (scp->term.n_par == 0) n = 0; else n = scp->term.par[0]; switch (n) { case 0: /* clear form cursor to end of line */ fillw(scp->term.attr | scr_map[0x20], scp->crtat, scp->max_posx - scp->posx); break; case 1: /* clear from beginning of line to cursor */ fillw(scp->term.attr|scr_map[0x20], scp->crtat - (scp->max_posx - scp->posx), (scp->max_posx - scp->posx) + 1); break; case 2: /* clear entire line */ fillw(scp->term.attr|scr_map[0x20], scp->crtat - (scp->max_posx - scp->posx), scp->max_posx); break; } break; case 'L': /* Insert n lines */ n = scp->term.par[0]; if (n < 1) n = 1; if (n > scp->max_posy - scp->posy) n = scp->max_posy - scp->posy; src = scp->crt_base + scp->posy * scp->max_posx; dst = src + n * scp->max_posx; count = scp->max_posy - (scp->posy + n); move_up(src, dst, count * scp->max_posx); fillw(scp->term.attr | scr_map[0x20], src, n * scp->max_posx); break; case 'M': /* Delete n lines */ n = scp->term.par[0]; if (n < 1) n = 1; if (n > scp->max_posy - scp->posy) n = scp->max_posy - scp->posy; dst = scp->crt_base + scp->posy * scp->max_posx; src = dst + n * scp->max_posx; count = scp->max_posy - (scp->posy + n); move_down(src, dst, count * scp->max_posx); src = dst + count * scp->max_posx; fillw(scp->term.attr | scr_map[0x20], src, n * scp->max_posx); break; case 'P': /* Delete n chars */ n = scp->term.par[0]; if (n < 1) n = 1; if (n > scp->max_posx - scp->posx) n = scp->max_posx - scp->posx; dst = scp->crtat; src = dst + n; count = scp->max_posx - (scp->posx + n); move_down(src, dst, count); src = dst + count; fillw(scp->term.attr | scr_map[0x20], src, n); break; case '@': /* Insert n chars */ n = scp->term.par[0]; if (n < 1) n = 1; if (n > scp->max_posx - scp->posx) n = scp->max_posx - scp->posx; src = scp->crtat; dst = src + n; count = scp->max_posx - (scp->posx + n); move_up(src, dst, count); fillw(scp->term.attr | scr_map[0x20], src, n); break; case 'S': /* scroll up n lines */ n = scp->term.par[0]; if (n < 1) n = 1; bcopy(scp->crt_base + (scp->max_posx * n), scp->crt_base, scp->max_posx * (scp->max_posy - n) * sizeof(u_short)); fillw(scp->term.attr | scr_map[0x20], scp->crt_base + scp->max_posx * (scp->max_posy - 1), scp->max_posx); break; case 'T': /* scroll down n lines */ n = scp->term.par[0]; if (n < 1) n = 1; bcopy(scp->crt_base, scp->crt_base + (scp->max_posx * n), scp->max_posx * (scp->max_posy - n) * sizeof(u_short)); fillw(scp->term.attr | scr_map[0x20], scp->crt_base, scp->max_posx); break; case 'X': /* delete n characters in line */ n = scp->term.par[0]; if (n < 1) n = 1; fillw(scp->term.attr | scr_map[0x20], scp->crt_base + scp->posx + ((scp->max_posx*scp->posy) * sizeof(u_short)), n); break; case 'Z': /* move n tabs backwards */ n = scp->term.par[0]; if (n < 1) n = 1; if ((i = scp->posx & 0xf8) == scp->posx) i -= 8*n; else i -= 8*(n-1); if (i < 0) i = 0; move_crsr(scp, i, scp->posy); break; case '`': /* move cursor to column n */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, n, scp->posy); break; case 'a': /* move cursor n columns to the right */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx + n, scp->posy); break; case 'd': /* move cursor to row n */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx, n); break; case 'e': /* move cursor n rows down */ n = scp->term.par[0]; if (n < 1) n = 1; move_crsr(scp, scp->posx, scp->posy + n); break; case 'm': /* change attribute */ if (scp->term.n_par == 0) n = 0; else n = scp->term.par[0]; switch (n) { case 0: /* back to normal */ scp->term.attr = scp->term.std_attr; break; case 1: /* highlight (bold) */ scp->term.attr &= 0xFF00; scp->term.attr |= 0x0800; break; case 4: /* highlight (underline) */ scp->term.attr &= 0x0F00; scp->term.attr |= 0x0800; break; case 5: /* blink */ scp->term.attr &= 0xFF00; scp->term.attr |= 0x8000; break; case 7: /* reverse video */ scp->term.attr = scp->term.rev_attr; break; case 30: case 31: case 32: case 33: /* set fg color */ case 34: case 35: case 36: case 37: scp->term.attr = (scp->term.attr & 0xF0FF) | (ansi_col[(n - 30) & 7] << 8); break; case 40: case 41: case 42: case 43: /* set bg color */ case 44: case 45: case 46: case 47: scp->term.attr = (scp->term.attr & 0x0FFF) | (ansi_col[(n - 40) & 7] << 12); break; } break; case 'x': if (scp->term.n_par == 0) n = 0; else n = scp->term.par[0]; switch (n) { case 0: /* reset attributes */ scp->term.attr = scp->term.std_attr = current_default->std_attr; scp->term.rev_attr = current_default->rev_attr; break; case 1: /* set ansi background */ scp->term.attr = scp->term.std_attr = (scp->term.std_attr & 0x0F00) | (ansi_col[(scp->term.par[1])&0x0F]<<12); break; case 2: /* set ansi foreground */ scp->term.attr = scp->term.std_attr = (scp->term.std_attr & 0xF000) | (ansi_col[(scp->term.par[1])&0x0F]<<8); break; case 3: /* set ansi attribute directly */ scp->term.attr = scp->term.std_attr = (scp->term.par[1]&0xFF)<<8; break; case 5: /* set ansi reverse video background */ scp->term.rev_attr = (scp->term.rev_attr & 0x0F00) | (ansi_col[(scp->term.par[1])&0x0F]<<12); break; case 6: /* set ansi reverse video foreground */ scp->term.rev_attr = (scp->term.rev_attr & 0xF000) | (ansi_col[(scp->term.par[1])&0x0F]<<8); break; case 7: /* set ansi reverse video directly */ scp->term.rev_attr = (scp->term.par[1]&0xFF)<<8; break; } break; case 'z': /* switch to (virtual) console n */ if (scp->term.n_par == 1) switch_scr(scp->term.par[0]); break; } } else if (scp->term.esc == 3) { if (c >= '0' && c <= '9') { if (scp->term.n_par < MAX_ESC_PAR) { if (scp->term.last_par != scp->term.n_par) { scp->term.last_par = scp->term.n_par; scp->term.par[scp->term.n_par] = 0; } else scp->term.par[scp->term.n_par] *= 10; scp->term.par[scp->term.n_par] += c - '0'; return; } } scp->term.n_par = scp->term.last_par + 1; switch (c) { case ';': if (scp->term.n_par < MAX_ESC_PAR) return; break; case 'A': /* set display border color */ if (scp->term.n_par == 1) scp->border=scp->term.par[0] & 0xff; if (scp == cur_scr_stat) set_border(scp->border); break; case 'B': /* set bell pitch and duration */ if (scp->term.n_par == 2) { scp->bell_pitch = scp->term.par[0]; scp->bell_duration = scp->term.par[1]*10; } break; case 'C': /* set cursor shape (start & end line) */ if (scp->term.n_par == 2) { scp->cursor_start = scp->term.par[0] & 0x1F; scp->cursor_end = scp->term.par[1] & 0x1F; if (scp == cur_scr_stat) cursor_shape(scp->cursor_start, scp->cursor_end); } break; case 'F': /* set ansi foreground */ if (scp->term.n_par == 1) scp->term.attr = scp->term.std_attr = (scp->term.std_attr & 0xF000) | ((scp->term.par[0] & 0x0F) << 8); break; case 'G': /* set ansi background */ if (scp->term.n_par == 1) scp->term.attr = scp->term.std_attr = (scp->term.std_attr & 0x0F00) | ((scp->term.par[0] & 0x0F) << 12); break; case 'H': /* set ansi reverse video foreground */ if (scp->term.n_par == 1) scp->term.rev_attr = (scp->term.rev_attr & 0xF000) | ((scp->term.par[0] & 0x0F) << 8); break; case 'I': /* set ansi reverse video background */ if (scp->term.n_par == 1) scp->term.rev_attr = (scp->term.rev_attr & 0x0F00) | ((scp->term.par[0] & 0x0F) << 12); break; } } scp->term.esc = 0; } static void ansi_put(scr_stat *scp, u_char c) { if (scp->status & UNKNOWN_MODE) return; /* make screensaver happy */ if (scp == cur_scr_stat) { scrn_time_stamp = time.tv_sec; if (scrn_blanked) scrn_saver(0); } in_putc++; if (scp->term.esc) scan_esc(scp, c); else switch(c) { case 0x1B: /* start escape sequence */ scp->term.esc = 1; scp->term.n_par = 0; break; case 0x07: if (scp == cur_scr_stat) sysbeep(scp->bell_pitch, scp->bell_duration); break; case '\t': /* non-destructive tab */ scp->crtat += (8 - scp->posx % 8); scp->posx += (8 - scp->posx % 8); break; case '\b': /* non-destructive backspace */ if (scp->crtat > scp->crt_base) { scp->crtat--; if (scp->posx > 0) scp->posx--; else { scp->posx += scp->max_posx - 1; scp->posy--; } } break; case '\r': /* return to pos 0 */ move_crsr(scp, 0, scp->posy); break; case '\n': /* newline, same pos */ scp->crtat += scp->max_posx; scp->posy++; break; case '\f': /* form feed, clears screen */ clear_screen(scp); break; default: /* Print only printables */ *scp->crtat = (scp->term.attr | scr_map[c]); scp->crtat++; if (++scp->posx >= scp->max_posx) { scp->posx = 0; scp->posy++; } break; } if (scp->crtat >= scp->crt_base + scp->max_posy * scp->max_posx) { bcopy(scp->crt_base + scp->max_posx, scp->crt_base, scp->max_posx * (scp->max_posy - 1) * sizeof(u_short)); fillw(scp->term.attr | scr_map[0x20], scp->crt_base + scp->max_posx * (scp->max_posy - 1), scp->max_posx); scp->crtat -= scp->max_posx; scp->posy--; } in_putc--; if (nx_scr) switch_scr(nx_scr - 1); } void consinit(void) { u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was; unsigned cursorat; int i; /* * catch that once in a blue moon occurence when consinit is called * TWICE, adding the CGA_BUF offset again -> poooff */ if (crtat != 0) return; /* * Crtat initialized to point to MONO buffer, if not present change * to CGA_BUF offset. ONLY ADD the difference since locore.s adds * in the remapped offset at the right time */ was = *cp; *cp = (u_short) 0xA55A; if (*cp != 0xA55A) { crtc_addr = MONO_BASE; } else { *cp = was; crtc_addr = COLOR_BASE; Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short); } /* Extract cursor location */ outb(crtc_addr,14); cursorat = inb(crtc_addr+1)<<8 ; outb(crtc_addr,15); cursorat |= inb(crtc_addr+1); crtat = Crtat + cursorat; /* is this a VGA or higher ? */ outb(crtc_addr, 7); if (inb(crtc_addr) == 7) crtc_vga = 1; current_default = &user_default; cons_scr_stat[0].crtat = crtat; cons_scr_stat[0].crt_base = Crtat; cons_scr_stat[0].term.esc = 0; cons_scr_stat[0].term.std_attr = current_default->std_attr; cons_scr_stat[0].term.rev_attr = current_default->rev_attr; cons_scr_stat[0].term.attr = current_default->std_attr; cons_scr_stat[0].posx = cursorat % COL; cons_scr_stat[0].posy = cursorat / COL; cons_scr_stat[0].border = BG_BLACK;; cons_scr_stat[0].max_posx = COL; cons_scr_stat[0].max_posy = ROW; cons_scr_stat[0].status = 0; cons_scr_stat[0].pid = 0; cons_scr_stat[0].proc = NULL; cons_scr_stat[0].smode.mode = VT_AUTO; cons_scr_stat[0].bell_pitch = 800; cons_scr_stat[0].bell_duration = 10; kernel_console.esc = 0; kernel_console.std_attr = kernel_default.std_attr; kernel_console.rev_attr = kernel_default.rev_attr; kernel_console.attr = kernel_default.std_attr; /* initialize mapscrn array to */ for (i=0; iterm; scp->term = kernel_console; current_default = &kernel_default; ansi_put(scp, c); kernel_console = scp->term; current_default = &user_default; scp->term = save; } static u_char *get_fstr(u_int c, u_int *len) { u_int i; if (!(c & FKEY)) return(NULL); i = (c & 0xFF) - F_FN; if (i > n_fkey_tab) return(NULL); *len = fkey_tab[i].len; return(fkey_tab[i].str); } static update_leds(int which) { u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; kbd_cmd(KB_SETLEDS); /* LED Command */ kbd_cmd(xlate_leds[which & LED_MASK]); kbd_wait(); } volatile void reset_cpu(void) { while (1) { kbd_cmd(KB_RESET_CPU); /* Reset Command */ DELAY(4000000); kbd_cmd(KB_RESET); /* Keyboard Reset Command */ } } /* * sgetc(noblock) : get a character from the keyboard. * If noblock = 0 wait until a key is gotten. Otherwise return a 0x100. */ u_int sgetc(int noblock) { u_char val, code, release; u_int state, action; struct key_t *key; static u_char esc_flag = 0, compose = 0; static u_int chr = 0; next_code: kbd_wait(); /* First see if there is something in the keyboard port */ if (inb(KB_STAT) & KB_BUF_FULL) val = inb(KB_DATA); else if (noblock) return(0x100); else goto next_code; if (cur_scr_stat->status & KBD_RAW_MODE) return val; code = val & 0x7F; release = val & 0x80; /* Check for cntl-alt-del */ if ((code == 83) && ctls && alts) cpu_reset(); #if NDDB > 0 /* Check for cntl-alt-esc */ if ((val == 1) && ctls && alts) { /* if debugger called, try to switch to console 0 */ if (cur_scr_stat->smode.mode == VT_AUTO && cons_scr_stat[0].smode.mode == VT_AUTO) switch_scr(0); Debugger(); return(0x100); } #endif switch (esc_flag) { case 0x00: /* normal scancode */ switch(code) { case 0x38: /* left alt (compose key) */ if (release && compose) { compose = 0; if (chr > 255) { sysbeep(500, hz/4); chr = 0; } } else { if (!compose) { compose = 1; chr = 0; } } break; case 0x60: case 0x61: esc_flag = code; goto next_code; } break; case 0x60: /* 0xE0 prefix */ esc_flag = 0; switch (code) { case 0x1c: /* right enter key */ code = 0x59; break; case 0x1d: /* right ctrl key */ code = 0x5a; break; case 0x35: /* keypad divide key */ code = 0x5b; break; case 0x37: /* print scrn key */ code = 0x5c; break; case 0x38: /* right alt key (alt gr) */ code = 0x5d; break; case 0x47: /* grey home key */ code = 0x5e; break; case 0x48: /* grey up arrow key */ code = 0x5f; break; case 0x49: /* grey page up key */ code = 0x60; break; case 0x4b: /* grey left arrow key */ code = 0x61; break; case 0x4d: /* grey right arrow key */ code = 0x62; break; case 0x4f: /* grey end key */ code = 0x63; break; case 0x50: /* grey down arrow key */ code = 0x64; break; case 0x51: /* grey page down key */ code = 0x65; break; case 0x52: /* grey insert key */ code = 0x66; break; case 0x53: /* grey delete key */ code = 0x67; break; default: /* ignore everything else */ goto next_code; } break; case 0x61: /* 0xE1 prefix */ esc_flag = 0; if (code == 0x1D) esc_flag = 0x1D; goto next_code; /* NOT REACHED */ case 0x1D: /* pause / break */ esc_flag = 0; if (code != 0x45) goto next_code; code = 0x68; break; } if (compose) { switch (code) { case 0x47: case 0x48: /* keypad 7,8,9 */ case 0x49: if (!release) chr = (code - 0x40) + chr*10; goto next_code; case 0x4b: case 0x4c: /* keypad 4,5,6 */ case 0x4d: if (!release) chr = (code - 0x47) + chr*10; goto next_code; case 0x4f: case 0x50: /* keypad 1,2,3 */ case 0x51: if (!release) chr = (code - 0x4e) + chr*10; goto next_code; case 0x52: /* keypad 0 */ if (!release) chr *= 10; goto next_code; case 0x38: /* left alt key */ break; default: if (chr) { compose = chr = 0; sysbeep(500, hz/4); goto next_code; } break; } } state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0)); if ((!agrs && (cur_scr_stat->status & ALKED)) || (agrs && !(cur_scr_stat->status & ALKED))) code += ALTGR_OFFSET; key = &key_map.key[code]; if ( ((key->flgs & FLAG_LOCK_C) && (cur_scr_stat->status & CLKED)) || ((key->flgs & FLAG_LOCK_N) && (cur_scr_stat->status & NLKED)) ) state ^= 1; /* Check for make/break */ action = key->map[state]; if (release) { /* key released */ if (key->spcl & 0x80) { switch (action) { case LSH: shfts &= ~1; break; case RSH: shfts &= ~2; break; case LCTR: ctls &= ~1; break; case RCTR: ctls &= ~2; break; case LALT: alts &= ~1; break; case RALT: alts &= ~2; break; case NLK: nlkcnt = 0; break; case CLK: clkcnt = 0; break; case SLK: slkcnt = 0; break; case ASH: agrs = 0; break; case ALK: alkcnt = 0; break; } } if (chr && !compose) { action = chr; chr = 0; return (action); } } else { /* key pressed */ if (key->spcl & (0x80>>state)) { switch (action) { /* LOCKING KEYS */ case NLK: if (!nlkcnt) { nlkcnt++; if (cur_scr_stat->status & NLKED) cur_scr_stat->status &= ~NLKED; else cur_scr_stat->status |= NLKED; update_leds(cur_scr_stat->status & LED_MASK); } break; case CLK: if (!clkcnt) { clkcnt++; if (cur_scr_stat->status & CLKED) cur_scr_stat->status &= ~CLKED; else cur_scr_stat->status |= CLKED; update_leds(cur_scr_stat->status & LED_MASK); } break; case SLK: if (!slkcnt) { slkcnt++; if (cur_scr_stat->status & SLKED) { cur_scr_stat->status &= ~SLKED; pcstart(&pccons[get_scr_num(cur_scr_stat)]); } else cur_scr_stat->status |= SLKED; update_leds(cur_scr_stat->status & LED_MASK); } break; case ALK: if (!alkcnt) { alkcnt++; if (cur_scr_stat->status & ALKED) cur_scr_stat->status &= ~ALKED; else cur_scr_stat->status |= ALKED; } break; /* NON-LOCKING KEYS */ case LSH: shfts |= 1; break; case RSH: shfts |= 2; break; case LCTR: ctls |= 1; break; case RCTR: ctls |= 2; break; case LALT: alts |= 1; break; case RALT: alts |= 2; break; case ASH: agrs = 1; break; case NOP: break; default: if (action >= F_SCR && action <= L_SCR) { switch_scr(action - F_SCR); break; } if (action >= F_FN && action <= L_FN) { return(action | FKEY); } return(action); } } else return(action); } goto next_code; } /* July '93, jkh. Added in for init_main.c */ void cons_highlight() { cons_scr_stat[0].term.attr &= 0xFF00; cons_scr_stat[0].term.attr |= 0x0800; } void cons_normal() { cons_scr_stat[0].term.attr = cons_scr_stat[0].term.std_attr; } int getchar(void) { char thechar; int s; pcconsoftc.cs_flags |= CSF_POLLING; s = splhigh(); sput('>'); thechar = (char) sgetc(0); pcconsoftc.cs_flags &= ~CSF_POLLING; splx(s); switch (thechar) { default: if (thechar >= scr_map[0x20]) sput(thechar); return(thechar); case cr: case lf: sput(cr); sput(lf); return(lf); case bs: case del: sput(bs); sput(scr_map[0x20]); sput(bs); return(thechar); case cntld: sput('^'); sput('D'); sput('\r'); sput('\n'); return(0); } } int pcmmap(dev_t dev, int offset, int nprot) { if (offset > 0x20000) return EINVAL; return i386_btop((VIDEOMEM + offset)); } static void kbd_wait(void) { int i; for (i=0; i<10000; i++) if ((inb(KB_STAT) & KB_READY) == 0) break; } static void kbd_cmd(u_char command) { kbd_wait(); outb(KB_DATA, command); } static void set_mode(scr_stat *scp) { u_char byte; int s; if (scp != cur_scr_stat) return; /* (re)activate cursor */ untimeout(cursor_pos, 0); cursor_pos(); /* change cursor type if set */ if (scp->cursor_start != -1 && scp->cursor_end != -1) cursor_shape(scp->cursor_start, scp->cursor_end); /* mode change only on VGA's */ if (!crtc_vga) return; /* setup video hardware for the given mode */ s = splhigh(); switch(scp->mode) { case TEXT80x25: outb(crtc_addr, 9); byte = inb(crtc_addr+1); outb(crtc_addr, 9); outb(crtc_addr+1, byte | 0x0F); outb(TSIDX, 0x03); outb(TSREG, 0x00); /* select font 0 */ break; case TEXT80x50: outb(crtc_addr, 9); byte = inb(crtc_addr+1); outb(crtc_addr, 9); outb(crtc_addr+1, (byte & 0xF0) | 0x07); outb(TSIDX, 0x03); outb(TSREG, 0x05); /* select font 1 */ break; default: return; } splx(s); /* set border color for this (virtual) console */ set_border(scp->border); return; } static void set_border(int color) { inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x11); outb(ATC, color); inb(crtc_addr+6); /* reset flip-flop */ outb(ATC, 0x20); /* enable Palette */ } static load_font(int segment, int size, char* font) { int ch, line, s; u_char val; outb(TSIDX, 0x01); val = inb(TSREG); /* blank screen */ outb(TSIDX, 0x01); outb(TSREG, val | 0x20); /* setup vga for loading fonts (graphics plane mode) */ s = splhigh(); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x30); outb(ATC, 0x01); outb(TSIDX, 0x02); outb(TSREG, 0x04); outb(TSIDX, 0x04); outb(TSREG, 0x06); outb(GDCIDX, 0x04); outb(GDCREG, 0x02); outb(GDCIDX, 0x05); outb(GDCREG, 0x00); outb(GDCIDX, 0x06); outb(GDCREG, 0x05); /* addr = a0000, 64kb */ splx(s); for (ch=0; ch < 256; ch++) for (line=0; line < size; line++) *((char *)atdevbase+(segment*0x4000)+(ch*32)+line) = font[(ch*size)+line]; /* setup vga for text mode again */ s = splhigh(); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x30); outb(ATC, 0x0C); outb(TSIDX, 0x02); outb(TSREG, 0x03); outb(TSIDX, 0x04); outb(TSREG, 0x02); outb(GDCIDX, 0x04); outb(GDCREG, 0x00); outb(GDCIDX, 0x05); outb(GDCREG, 0x10); if (crtc_addr == MONO_BASE) { outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */ } else { outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */ } splx(s); outb(TSIDX, 0x01); val = inb(TSREG); /* unblank screen */ outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); } static void load_palette(void) { int i; outb(PIXMASK, 0xFF); /* no pixelmask */ outb(PALWADR, 0x00); for (i=0x00; i<0x300; i++) outb(PALDATA, palette[i]); inb(crtc_addr+6); /* reset flip/flop */ outb(ATC, 0x20); /* enable palette */ } static void save_palette(void) { int i; outb(PALRADR, 0x00); for (i=0x00; i<0x300; i++) palette[i] = inb(PALDATA); inb(crtc_addr+6); /* reset flip/flop */ } static change_winsize(struct tty *tp, int x, int y) { if (tp->t_winsize.ws_col != x || tp->t_winsize.ws_row != y) { tp->t_winsize.ws_col = x; tp->t_winsize.ws_row = y; pgsignal(tp->t_pgrp, SIGWINCH, 1); } } #endif /* NSC */